From 530ffd0b7d3c39757b20f00716e486b5caf89aff Mon Sep 17 00:00:00 2001 From: sanine Date: Wed, 12 Oct 2022 12:03:23 -0500 Subject: add cairo --- libs/cairo-1.16.0/test/mask-ctm.c | 80 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 80 insertions(+) create mode 100644 libs/cairo-1.16.0/test/mask-ctm.c (limited to 'libs/cairo-1.16.0/test/mask-ctm.c') diff --git a/libs/cairo-1.16.0/test/mask-ctm.c b/libs/cairo-1.16.0/test/mask-ctm.c new file mode 100644 index 0000000..205ab06 --- /dev/null +++ b/libs/cairo-1.16.0/test/mask-ctm.c @@ -0,0 +1,80 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *mask_surface; + cairo_pattern_t *mask; + uint32_t data[] = { + 0x80000000, 0x80000000, + 0x80000000, 0x80000000, + }; + cairo_matrix_t matrix; + + mask_surface = cairo_image_surface_create_for_data ((unsigned char *) data, + CAIRO_FORMAT_ARGB32, 2, 2, 8); + mask = cairo_pattern_create_for_surface (mask_surface); + + cairo_set_source_rgb (cr, 1.0, 0, 0); + + /* We can translate with the CTM, with the pattern matrix, or with + * both. */ + + /* 1. CTM alone. */ + cairo_save (cr); + { + cairo_translate (cr, 2, 2); + cairo_mask (cr, mask); + } + cairo_restore (cr); + + /* 2. Pattern matrix alone. */ + cairo_matrix_init_translate (&matrix, -4, -4); + cairo_pattern_set_matrix (mask, &matrix); + + cairo_mask (cr, mask); + + /* 3. CTM + pattern matrix */ + cairo_translate (cr, 2, 2); + cairo_mask (cr, mask); + + cairo_pattern_destroy (mask); + + cairo_surface_finish (mask_surface); /* data goes out of scope */ + cairo_surface_destroy (mask_surface); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (mask_ctm, + "Test that cairo_mask is affected properly by the CTM", + "mask", /* keywords */ + NULL, /* requirements */ + 10, 10, + NULL, draw) + -- cgit v1.2.1